Get to Know What is the Difference Between Tethered and Untethered Jailbreak

Before you actually jailbreak, it is better to know about the difference between a tethered and an untethered jailbreak.

The one thing you should know is that Jailbreaking actually modifies the root of your iDevice. This helps apps and tweaks from Cydia to be installed on your iOS device which would normally not be allowed.

The way your jailbreak setup works when you reboot your iPhone is the criteria that decides whether your jailbreak is a tethered one or an untethered one.

1). Tethered Jailbreak

A tethered jailbreak is mostly the first type of jailbreak that arrives on the web whenever a new iOS is released. The tethered jailbreak has all the characteristic features of an untethered jailbreak but the only difference is, you can’t reboot your iOS device without connecting it to the computer and using a specific tethering software (like Redsn0w).

For obvious reasons, if you have a tethered jailbreak on your iPhone, you’ll think twice before trying to reboot your gadget. It’s not as cumbersome as it sounds but anything that has more than one step will, in comparison to the usual reboot process, be complicated.

2). Untethered Jailbreak

After the devs create the tethered jailbreak and test it out, it’s time to patch things up and figure out a way to create the untethered. And it simply means: you can reboot your iPhone just as normally as you would, without having to connect it to your computer or run Redsn0w’s Just Boot.

People prefer untethered – and some even wait for it till they jailbreak their iPhones – because it’s complete. Having to use a computer and Redsn0w just to reboot often sucks because what if your iPhone got turned off (low battery, may be?) when you are away from any access to a computer?

So that’s about all the difference there is between a tethered and untethered jailbreak.

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evasi0n - iOS 6.0-6.1.2 Jailbreak Tutorial

Supported Devices : This will work on all iOS devices except Apple TV 1 and Apple TV 2

Requirements

• 5 minutes of your time!
• A computer, running Windows (XP minimum), Mac OS X (10.6 minimum) or Linux (x86 / x86_64)
• iTunes installed if you're running Windows
• An iPhone, iPad or iPod running iOS 6.0 through 6.1.2 (you may check in Settings / General / About => Version)
• A USB cable to connect the device to the computer

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Important! Read me!

• Backup your device using iTunes (or iCloud) before using evasi0n. If something breaks, you'll always be able to recover your data.
• Please disable the lock passcode of your iOS device before using evasi0n. It can cause issues.
• Avoid all iOS and iTunes related tasks until evasi0n is complete. Why not just enjoy a brief break from the computer to stretch your legs?
• If the process gets stuck somewhere, it's safe to restart the program, reboot the device (if necessary by holding down Power and Home until it shuts down), and rerun the process.
• If you get an error on OS X 10.8 saying that evasi0n can't be opened, control-click (or right-click) the app and on the revealed context menu, choose 'Open.' On the ensuing dialogue box, choose 'Open' as well.

1.  Download Evasion
   Mac OS X DOWNLOAD\
   
   
   Windows DOWNLOAD
    

2. Extract the Package to find the Evasi0n app.
3. Double Click on the evasi0n app to open it or Right Click Run As Administrator (if you are on a windows machine)
4. Make sure your device doesn’t have any passcode enabled. On your device Go to Settings – General – Passcode Lock – and turn it off.
5. Plug in your device to the computer and wait for the jailbreak software to detect it.
6. Once detected you will see a message on the evasion jailbreak software with your device name and the Jailbreak button will become active.
7. Click on Jailbreak and the Jailbreak process will start.
8. To be exact it takes a while for the whole process to finish, the Jailbreak tool will perform several steps of jailbreak which you can track by the messages on screen. Preparing Jailbreak Data, Injecting Jailbreak Data, rebooting the device, uploading cydia, Uploading cydia packages list etc
9. Once all the automated steps finish you will see a message asking you to unlock your device, just unlock your device by sliding the slider and you will see a Jailbreak app on the home screen, tap on the icon and the later steps of jailbreak will begin. The screen will go blank, just be patient and let the tool do it’s work.
10. When all the process if completed, a “done” message will appear on the jailbreak tool, Your device will auto reboot and will take some serious time to boot up. Don’t worry it is normal.
11. When done, your device will display a large evasi0n logo and some messages flashing like Settings up fstab and AFC2, Setting up Cydia, Setting up Cydia packages, Cleaning SpringBoard Cache and Rebooting.

After reboot, the same screen will appear again and some more messages flashing like Initializing offsets, finding offsets, Patching kernel, cleaning up and Continuing boot. Once all these are done, you will be taken to the unlock screen of your device. Your device is now untethered jailbreakon with Evasion.
For the final steps you have to unlock your device and open cydia, Cydia will start initializing your device with might take around two minutes, once done you will be taken back to the lock screen, unlock and start cydia again and select user type and enjoy your jailbroken device.

After jailbreak with evasion, you may experience some unexpected continuous shutting down of your device . never mind. to fix this click and read this post

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